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Two-way binding ignores output type since angular 17.2+

area: compilerIssues related to `ngc`, Angular's template compilerIssues related to `ngc`, Angular's template compiler

bug

compiler: template type-checking

P3An issue that is relevant to core functions, but does not impede progress. Important, but not urgentAn issue that is relevant to core functions, but does not impede progress. Important, but not urgent

state: has PR

Status: Open.

#58971 In angular/angular;

· neo3587 opened on Nov 29, 2024

perf(platform-browser): disable styles of removed components instead of removing

area: coreIssues related to the framework runtimeIssues related to the framework runtime

area: performanceIssues related to performanceIssues related to performance

breaking changes

detected: breaking changePR contains a commit with a breaking changePR contains a commit with a breaking change

requires: TGPThis PR requires a passing TGP before merging is allowedThis PR requires a passing TGP before merging is allowed

Status: Open (in progress).

angular/angularnumber 64524

#64524 In angular/angular;

· mattlewis92 opened on Oct 19, 2025

Switch to changeDetection: ChangeDetectionStrategy.OnPush by default

action: discuss

area: coreIssues related to the framework runtimeIssues related to the framework runtime

breaking changes

Status: Open.

#65485 In angular/angular;

· tomastrajan opened on Nov 21, 2025

refactor(compiler-cli): Add report readonly signals in two-way bindings

area: compilerIssues related to `ngc`, Angular's template compilerIssues related to `ngc`, Angular's template compiler

breaking changes

detected: breaking changePR contains a commit with a breaking changePR contains a commit with a breaking change

state: blocked on G3 cleanupThis change requires a G3 cleanupThis change requires a G3 cleanup

Status: Open (in progress).

angular/angularnumber 67199

#67199 In angular/angular;

· SkyZeroZx opened on Feb 22, 2026

feat(compiler): Angular expressions with optional chaining returns undefined

area: compilerIssues related to `ngc`, Angular's template compilerIssues related to `ngc`, Angular's template compiler

detected: breaking changePR contains a commit with a breaking changePR contains a commit with a breaking change

detected: featurePR contains a feature commitPR contains a feature commit

target: majorThis PR is targeted for the next major releaseThis PR is targeted for the next major release

Status: Open (in progress).

angular/angularnumber 68084

#68084 In angular/angular;

· JeanMeche opened on Apr 8, 2026